The Demon is a minor character of Happy Tree Friends.
The Demon is a purple squid-like creature with many tentacles and a beak, only seen in Read 'em and Weep. The lower half of the demon is never shown, as it was inside Cub's head. Whenever it is summoned, dark clouds circle the sky and birds fall from the sky, dead. To date, it has possessed Cub and may have possessed Lumpy.
It was summoned by Pop when he was reading Cub a Satanic book resembling the Necrocomicon that he bought from Toothy. It possessed Cub when he looked under his bed to examine a glowing green light. When he was possessed, he sat in a zombie-like trance, vomited green sludge, and could turn his head 360 degrees. The Demon killed Petunia by grabbing her with its tentacles, half pulling her through a drain, shredding her with the garbage disposal, and eating her remains. It was exorcized by Lumpy. Cub, upon having the Demon removed from his head, was happy to be free of the curse, showing he may have been aware that he was possessed.
During Cub's funeral, the demon's tentacles were then shown to escape from Lumpy's mouth. Lumpy was in full control over his faculties, and he showed no signs of being possessed. He may have eaten the demon, or simply imprisoned it within his body.
None (Could possibly be immortal)
- Read 'em and Weep: Got exorcised from Cub's body by Lumpy. (Unknown if an exorcism injures a demon)
- Cub: Read 'em and Weep
- Lumpy: Read 'em and Weep (Debatable, as he showed no signs of being possessed like Cub did)